There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 6PM to 5PM | 7AM to 10PM | 8PM to 1PM |
| 7PM to 8PM | 4AM to 2AM | 8PM to 4PM |
| 6AM to 1PM | 9AM to 10PM | 9PM to 10AM |
| 6AM to 8PM | 2PM to 3AM | 2PM to 3AM |
| 11PM to 12PM | 5PM to 2AM | 9AM to 6AM |
| 10PM to 2AM | 1AM to 7AM | 4PM to 4AM |
